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 * Copyright (C) 2012-2016 Woboq GmbH
 * Olivier Goffart <contact at woboq.com>
 * https://woboq.com/codebrowser.html
 *
 * This file is part of the Woboq Code Browser.
 *
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 * Alternatively, this work may be used under a Creative Commons
 * Attribution-NonCommercial-ShareAlike 3.0 (CC-BY-NC-SA 3.0) License.
 * http://creativecommons.org/licenses/by-nc-sa/3.0/deed.en_US
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#pragma once

#include <llvm/ADT/StringRef.h>
#include <string>
#include <vector>
#include <unordered_map>

struct ProjectInfo {
    std::string name;
    std::string source_path;
//    std::string description;
//    std::string version_info;
//    std::string repo_url; //may contains tags;
    std::string revision;

    std::string external_root_url;

    //TODO
    std::string fileRepoUrl(const std::string &file) const { return {}; }
    enum Type { Normal,
                Internal, //includes and stuffs
                External, //links to external projects somewhere else, do not generate refs or anything,
                          // and link to a different ref source
    } type = Normal;

    ProjectInfo(std::string name, std::string source_path, Type t = Normal)
        :   name(std::move(name)), source_path(std::move(source_path)), type(t)  {}
    ProjectInfo(std::string name, std::string source_path, std::string rev)
        :   name(std::move(name)), source_path(std::move(source_path)), revision(std::move(rev))  {}
};


struct ProjectManager {
    explicit ProjectManager(std::string outputPrefix, std::string _dataPath)
            : outputPrefix(std::move(outputPrefix)) , dataPath(std::move(_dataPath))
    {
        if (dataPath.empty())
            dataPath = "../data";
    }

    void addProject(ProjectInfo info);

    std::vector<ProjectInfo> projects =
        { {"include", "/usr/include/", ProjectInfo::Internal } };

    std::string outputPrefix;
    std::string dataPath;

    // the file name need to be canonicalized
    ProjectInfo *projectForFile(llvm::StringRef filename); // don't keep a cache
    std::string translatePath(llvm::StringRef filename);

    // return true if the filename should be proesseded.
    // 'project' is the value returned by projectForFile
    bool shouldProcess(llvm::StringRef filename, ProjectInfo *project);

    std::string includeRecovery(llvm::StringRef includeName, llvm::StringRef from);

private:
    std::unordered_multimap<std::string, std::string> includeRecoveryCache;
};
